Background: There are few reports about resection of portal vein (PV)/superior mesenteric vein (SMV) and reconstruction by using allogeneic vein. This case-control study was designed to explore the feasibility and safety of this operation type in patients with T3 stage pancreatic head cancer.
Methods: A total of 42 patients (Group A) underwent PV/SMV resection and reconstruction by using allogeneic vein were 1:1 matched to 42 controls (Group B) with other types of resection and reconstruction. The two groups were well matched.
Results: There was no significantly prolonged total operation time (Group A vs. Group B [490.0 min vs. 470 min], P = 0.067) and increased intraoperative blood loss (Group A vs. Group B [650.0 min vs. 450 min], P = 0.108) was found between the two groups. R1 rate of PV/SMV was slightly reduced in group A compared to group B (4.8% vs. 14.3%, P = 0.137), although no significant difference was found. The incidences of main postoperative complications between the two groups were similar. A slightly increased 1-year and 2-year overall survival rate (OS) (Group A vs. Group B [1-year OS: 62.9% vs. 57.0%; 2-year OS: 31.5% vs. 25.6%], P = 0.501) and disease-free survival rate (DFS) (Group A vs. Group B [1-year DFS: 43.9% vs. 36.6%; 2-year DFS: 10.5% vs. 7.4%], P = 0.502) could be found in group A compared to group B, although the differences were not significant.
Conclusions: The operation types of PV/SMV resection and reconstruction by using allogeneic vein is safety and feasible, it might have a potential benefit for patients.
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| http://dx.doi.org/10.1186/s12876-018-0778-y | DOI Listing |
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